World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
71
Citations
19238
World Ranking
665
National Ranking
198

William R. Raun publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where William R. Raun sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 265 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

William R. Raun D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where William R. Raun sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 71 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Research.com Recognitions

  • 2001 - Fellow of the Soil Science Society of America (SSSA)
  • 2000 - Fellow of the American Society of Agronomy (ASA)

Overview

What is he best known for?

The fields of study he is best known for:

  • Agriculture
  • Agronomy
  • Ecology

His primary areas of study are Agronomy, Fertilizer, Normalized Difference Vegetation Index, Yield and Poaceae. William R. Raun studied Agronomy and Soil water that intersect with Manure. His work carried out in the field of Fertilizer brings together such families of science as Soil test, Forage, Crop and Animal science.

William R. Raun interconnects Growing degree-day, Spatial variability and Stage in the investigation of issues within Normalized Difference Vegetation Index. In his research, Phenology, Photochemical Reflectance Index and Nitrogen management is intimately related to Irrigation, which falls under the overarching field of Yield. His work deals with themes such as Precision agriculture, Spring and Plant breeding, which intersect with Poaceae.

His most cited work include:

  • Improving Nitrogen Use Efficiency for Cereal Production (1322 citations)
  • Improving Nitrogen Use Efficiency in Cereal Grain Production with Optical Sensing and Variable Rate Application (551 citations)
  • In‐Season Prediction of Potential Grain Yield in Winter Wheat Using Canopy Reflectance (367 citations)

What are the main themes of his work throughout his whole career to date?

William R. Raun mainly focuses on Agronomy, Fertilizer, Winter wheat, Normalized Difference Vegetation Index and Yield. His study in Grain yield, Poaceae, Crop yield, Crop and Sowing is carried out as part of his Agronomy studies. His Poaceae study incorporates themes from Field experiment, Cultivar and Plant nutrition.

His Fertilizer research is multidisciplinary, incorporating elements of Nutrient, Loam, Forage and Animal science. His Winter wheat study integrates concerns from other disciplines, such as Precision agriculture and Growing season. His Normalized Difference Vegetation Index research includes themes of Soil science, Growing degree-day, Coefficient of variation and Stage.

He most often published in these fields:

  • Agronomy (74.03%)
  • Fertilizer (32.56%)
  • Winter wheat (21.71%)

What were the highlights of his more recent work (between 2014-2021)?

  • Agronomy (74.03%)
  • Winter wheat (21.71%)
  • Grain yield (15.12%)

In recent papers he was focusing on the following fields of study:

His primary scientific interests are in Agronomy, Winter wheat, Grain yield, Fertilizer and Zea mays. His Agronomy study frequently links to adjacent areas such as Soil pH. His study in Winter wheat is interdisciplinary in nature, drawing from both Nitrogen management, Growing degree-day and Nutrient content.

His Grain yield study which covers Statistics that intersects with N fertilizer. His Fertilizer research integrates issues from Wheat grain, Panicum virgatum, Nutrient and Human fertilization. His Zea mays research incorporates themes from Growing season, Fungicide, Phosphate and Normalized Difference Vegetation Index.

Between 2014 and 2021, his most popular works were:

  • Crop Nitrogen Requirement and Fertilization (60 citations)
  • World Phosphorus Use Efficiency in Cereal Crops (48 citations)
  • Variability in Optimum Nitrogen Rates for Maize (47 citations)

In his most recent research, the most cited papers focused on:

  • Agriculture
  • Ecology
  • Agronomy

William R. Raun mainly investigates Agronomy, Fertilizer, Human fertilization, Nitrogen fertilizer and Crop yield. The concepts of his Agronomy study are interwoven with issues in Canopy and Normalized Difference Vegetation Index. His studies in Fertilizer integrate themes in fields like Biomass, Grain yield and Nutrient management.

His research in Human fertilization intersects with topics in Soil carbon, Soil test, Nitrogen deficiency, Nitrate leaching and Nitrogen requirement. His Nitrogen fertilizer research includes elements of Soil pH, Nitrogen management, Environmental engineering and Water resources. His Crop yield research incorporates elements of Panicum virgatum, Bioenergy, Manure, Poultry litter and Nutrient cycle.

Best Publications

  • Improving Nitrogen Use Efficiency for Cereal Production

    William R. Raun;Gordon V. Johnson

  • Improving Nitrogen Use Efficiency in Cereal Grain Production with Optical Sensing and Variable Rate Application

    William R. Raun;John B. Solie;Gordon V. Johnson;Marvin L. Stone

  • In-Season Prediction of Potential Grain Yield in Winter Wheat Using Canopy Reflectance

    William R. Raun;John B. Solie;Gordon V. Johnson;Marvin L. Stone

  • Use of Spectral Radiance for Correcting In-season Fertilizer Nitrogen Deficiencies in Winter Wheat

    M. L. Stone;J. B. Solie;W. R. Raun;R. W. Whitney

  • Optical Sensor‐Based Algorithm for Crop Nitrogen Fertilization

    W. R. Raun;J. B. Solie;M. L. Stone;K. L. Martin

  • In-Season Prediction of Corn Grain Yield Potential Using Normalized Difference Vegetation Index

    R. K. Teal;B. Tubana;K. Girma;K. W. Freeman

  • Soil Acidification from Long-Term Use of Nitrogen Fertilizers on Winter Wheat

    Jackie L. Schroder;Hailin Zhang;Kefyalew Girma;William R. Raun

  • Responsive in-season nitrogen management for cereals

    J. F. Shanahan;N. R. Kitchen;W. R. Raun;J. S. Schepers

  • Spectral Reflectance to Estimate Genetic Variation for In-Season Biomass, Leaf Chlorophyll, and Canopy Temperature in Wheat

    M. A. Babar;M. P. Reynolds;M. van Ginkel;A. R. Klatt

  • By‐Plant Prediction of Corn Forage Biomass and Nitrogen Uptake at Various Growth Stages Using Remote Sensing and Plant Height

    Kyle W. Freeman;Kefyalew Girma;Daryl B. Arnall;Robert W. Mullen

  • Long-term cattle manure application in soil

    J. Parham;S. Deng;W. Raun;G. Johnson

  • Bacterial community structure and diversity in a century-old manure-treated agroecosystem.

    H. Y. Sun;S. P. Deng;W. R. Raun

  • NITROGEN FERTILIZATION OPTIMIZATION ALGORITHM BASED ON IN-SEASON ESTIMATES OF YIELD AND PLANT NITROGEN UPTAKE

    E. V. Lukina;K. W. Freeman;K. J. Wynn;W. E. Thomason

  • Corn response to nitrogen is influenced by soil texture and weather

    Nicolas Tremblay;Yacine M. Bouroubi;Carl Bélec;Robert William Mullen

  • Spectral Reflectance Indices as a Potential Indirect Selection Criteria for Wheat Yield under Irrigation

    M. A. Babar;M. P. Reynolds;M. van Ginkel;A. R. Klatt

  • World Phosphorus Use Efficiency in Cereal Crops

    Jagmandeep Dhillon;Guilherme Torres;Ethan Driver;Bruno Figueiredo

  • Identifying an In-Season Response Index and the Potential to Increase Wheat Yield with Nitrogen

    Robert W. Mullen;Kyle W. Freeman;William R. Raun;Gordon V. Johnson

  • Influence of Late-Season Foliar Nitrogen Applications on Yield and Grain Nitrogen in Winter Wheat

    Curt W. Woolfolk;William R. Raun;Gordon V. Johnson;Wade E. Thomason

  • Estimating vegetation coverage in wheat using digital images

    E. V. Lukina;M. L. Stone;W. R. Raun

  • Nitrogen Response Index as a Guide to Fertilizer Management

    G. V. Johnson;W. R. Raun

  • Evaluation of green, red, and near infrared bands for predicting winter wheat biomass, nitrogen uptake, and final grain yield

    S. M. Moges;W. R. Raun;R. W. Mullen;K. W. Freeman

Frequent Co-Authors

John B. Solie
John B. Solie Oklahoma State University
Gordon V. Johnson
Gordon V. Johnson University of New Mexico
B. Wade Brorsen
B. Wade Brorsen Oklahoma State University
Hailin Zhang
Hailin Zhang Oklahoma State University
James S. Schepers
James S. Schepers University of Nebraska–Lincoln
Nicholas T. Basta
Nicholas T. Basta The Ohio State University
Mark E. Payton
Mark E. Payton Oklahoma State University
Brett F. Carver
Brett F. Carver Oklahoma State University
Newell R. Kitchen
Newell R. Kitchen Agricultural Research Service

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